package regexobject;

public class MatchesDemo {
    public static void main(String[] args) {
       // [a-zA-Z0-9_]+@[a-zA-Z0-9]+(\.[a-zA-Z]+)+

        String email ="wnagkj@tedu.cn";
        String regex ="[a-zA-Z0-9_]+@[a-zA-Z0-9]+(\\.[a-zA-Z]+)+";
        boolean match = email.matches(regex);
        if(match){
            System.out.println("邮箱格式正确");
        }else{
            System.out.println("邮箱格式错误");
        }
    }
}
